{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220780610",
    "entityType": "User",
    "nonce": "0x59403f7e7cd634c122507c3b41c5a864515739b7cde2e88f111086da166cb91f",
    "signature": "0x08b6f6083047a65b471071d3c69befb5a36856da544542602b9db74f8c879cc0245e6133cad46b0030b790c189744f0b8750a5c7f00c0d8522f2cf0ec344a7ea1c",
    "signer": "0xbCda3656e86cB14ff2741096BB1eD3c41D156A9e",
    "userId": "470535003"
  }
}